Hat Making Tools: New Rounding Jacks with the newly designed brass blade holders

  • Advertise with us
Blog entry by Mark A. DeCou posted 09-18-2008 11:14 PM 7855 reads 0 times favorited 3 comments Add to Favorites Watch

This is a short blog, I hope, to show some work I was able to get built this week in the shop for a commissioned project.

- – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - -

This tool is a Rounding Jack used to trim the brims of hats, and will be used by a discerning hat maker. In this exciting development, I have completed two different designs for the blade holder, using thick brass as the material as an alternate to the wood I’ve previously used.

There is quite a price jump to go with the brass blade holder, but some hatters don’t seem to mind. I like the look of the brass with the walnut, lots of “bling.”

The blade guard on the left side in the photos is a brass holder, that cuts the brims in a clockwise fashion. To go the other direction, I would need to make a mirror image of this one.

Rhe brass blade holder on the right however, “The Tombstone” model, stands the blade upright, but allows the blade to be flipped, making it able to cut in either direction.

I’ll post better photos in a full project posting in a few days, but I was so excited, I decided to document the day with a blog about it.

that’s it, told you it would be short,

Mark DeCou

- – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - – - – -

Here is a Slideshow with more of my Rounding Jacks Shown
Click the “Speaker” icon for music


Artisan Hat Tools by Mark DeCou Studio
(Do you want to see More? Just follow these links):

ARE LISTED IN MY ETSY.COM ONLINE SHOP, click here to check inventory

Collector Edition Model Rounding Jacks:
  1. Ebonized Walnut with Laser Engraving
  2. Collector Model w/ a Brass Blade Holder
Deluxe Model Rounding Jacks:
  1. Maple Deluxe Model, Counter Clockwise Cutter
  2. Maple Deluxe Model, Clockwise Cutter
Hobbyist-Hatter Model Rounding Jacks:
  1. Walnut Hobbyist-Hatter Model, Counter Clockwise Cutter
  2. Walnut Hobbyist-Hatter Model, Clockwise Cutter
Customized Rounding Jacks, Personalized for Specific Hatters:
  1. Spradley Hats in Apline, TX
  2. Rachel Pollock of La Bricoleuse
  3. Brainpan Hat Shop in Sumner, WA
  4. Steve Delk's Adventurebilt Hat Co.
  5. Marc Kitter's Adventurebilt Hat Co.
  6. Pyrate Trading Co.
  7. Hatman Jack at Wichita Hat Works
  8. Inaaya Hat Co.
  9. Penman Hat Co.
Formillons & Conformateurs:
  1. Complete Restoration of a Maillard Conformateur and Formillon
  2. New DeCou Formillion & Conformer, Prototypes #1 & #2
  3. Custom Designed Conformateur Carrying & Storage Case
  4. New Plot Base Board for the Maillard Allie Formillon
  5. Maple Wrench for Tightening Formillon Thumbnuts
Foot Tollikers:
  1. Left-Handed & Right-Handed Foot Tolliker
  2. Foot Tolliker: Elk Antler & Birch Wood, on a Display Stand
  3. Foot Tolliker: Walnut Wood, on a Display Stand
  4. Foot Tollikers: Three in White Birch Wood
  5. Foot Tollikers: Walnut Wood Set of Four
  6. Foot Tollikers, Birch Wood Double Set, on Display Stand
Brim Edge Curling Tools:
  1. Hinge-Shackle Curling Tool for the Homburg Hat
  2. Full Circle Shackle Curling Tool
  3. Half Circle Shacking Curling Tool
  4. Groove Tolliker Curing Tool
Hat Block Spinners:
  1. Hard Rock Maple and Walnut Ornamentally Turned Hat Block Spinners
Puller Downers:
  1. Puller Downers, made in Birch & Maple
Pusher Downers:
  1. Pusher Downers, made in Walnut, Hard Rock Maple, & Poplar
Stainless Steel Slip Stick:
  1. “Coming Soon”, please check back.

My Website with other woodworking, including furniture, walking canes, scrimshaw artwork, custom knives, and other misc. items

Mark DeCou Studio Website

(Note:This project story, project design, and photos are protected by copyright in 2008-2009 by the Author, M.A.DeCou., all rights reserved, no use allowed without expressed written permission.)

-- Mark DeCou - American Contemporary Craft Artisan -

3 comments so far

View Roger Strautman's profile

Roger Strautman

657 posts in 4405 days

#1 posted 09-19-2008 01:21 AM

You got to love a proto type!! Nice idea, Mark! What type of blades do these use, utility?

-- " All Things At First Appear Difficult"

View Mark A. DeCou's profile

Mark A. DeCou

2009 posts in 4677 days

#2 posted 09-19-2008 01:37 AM

yes, the Stanley style utility knife blades.

-- Mark DeCou - American Contemporary Craft Artisan -

View mmh's profile


3677 posts in 3994 days

#3 posted 02-10-2009 07:08 PM

And one would think that the fine art of mens hat making was dying out. I hope I am wrong. I’m impressed on the quality of the tools and their unique designs. Your craftsmanship really honors these tools.

I’m also impressed with the quality of your documentation, as I realize how time consuming and tedious it can be. Thank you for sharing!

Besides more of your work, I’d love to see the hats that are made from these tools.

-- "They who dream by day are cognizant of many things which escape those who dream only by night." ~ Edgar Allan Poe

Have your say...

You must be signed in to post the comments.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics