I ordered my usual belt size for suit belts and other golf belts I have and it turned out to be a little big as the end was dangling a bit from the belt loop. I would recommend going 1-2 sizes down, especially since the strap is stretchy.
Stiffs Wurkin: Premium π Assorted Brass Collar for Polished Style
9 Review
𧲠Wurkin Stiffs Plastic Magnetic Men's Accessories and Collar Stays for Stiff N Stay
8 Review
40 Metal Collar Stays Box
9 Review
π Ultimate Flexibility with Premium Extender Expandable Elastic America Men's Accessories
9 Review