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Meet the Spud Hamstinger Deluxe: a hamstring strap that lets you use a band or cable stack to work on your legs. The Hamstinger is 2.5 feet long and 2 inches wide. It can be used for standing, seated, and lying leg curls.
You can use Hamstinger a variety of ways to work your legs. This video shows what you can do with it.
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