Antique Vintage Key Holder/ Pouch with Button Detail/Leather? See Info

Unique handcrafted leather pouch with intricate button detail. Spring loaded old Antique Key holder... Not sure age found in moms stuff but it's older lol...google can't even find one... Interesting works these clamps are hard springs your keys won't fall off lol... See pics for measurements and it's part of the description...... Says Spring Tempered Hooks .....keys would be taken off not unless you want them......lmk....