What swivel knife to buy? - Leather Tools

So ive been playing with leather carving and I am currently borrowing a swivel knife from a friend that is from an old Tandy kit. I am not happy with it and it cramps my hand, I dont know if its just the knife or my lack of experience(which im sure has alot to do with it). I was looking at buying

Stainless Steel Swivel Knife Leather Tools Leathercraft

Leather Swivel Knife Sheath

OWDEN Stainless Steel 360 Degree Rotating Leather Carving Knife

Swivel Knife, chrome plated

Adjustable Swivel Knife with 1/4 Straight Blade, Leather Carving

OWDEN Professional Leather tool, Leather Swivel knife

Ergonomic Swivel Knife

Kyoshin Elle Ultimate Leathercraft Tool Large 13mm Adjustable Black Leather Carving Swivel Knife, with Allen Key, for Leatherworking

Leathercraft, swivel knife

This is a beautiful adjustable height swivel knife. Marked on the yoke is Zhong Jiang. This will be a very handy and useful tool and will be a great addition to any leather worker's collection. Item includes the swivel knife, one 1/4 wide straight blade, and an Allen wrench. The thickness of the blade is about 3/64 (1.2mm). The shank on the blade is 7/32 in diameter.

Adjustable Swivel Knife - Leathercraft Tool | Pro Leather Carvers Medium