SAICOOSHat Stretcher for Fitted Hats and Mens Cowboy Hats - Jack Stretcher, Screw with Handle is Easy to Stretch

Hat Stretcher for Fitted Hats - Durable European Beech with Heavy-Duty Buckle - Perfect for Men's Cowboy Hats and More

monochef 30pcs Hat Size Tape Hat Size Reducer Inserts Liner Foam Reducing Sizing Tape Sizer Self Adhesive for Hats Caps Make Smaller Sweatband Black White

Bickmore Kahl Hat Stiffener - Great for Fabric & Felt Hat Brims - Will Not Affect Tone, Texture, or Color