MF Slingshot is designed to increase your lockout strength in the bench press. This will be a great way for any weightlifters who want to increase their bench press strength.
The stiffness of this is similar to the Blue version of the original product.
S: 55 – 65kg
M: 65 – 75kg
L: 75kg – 85kg
The video below shows a similar product to MF Slingshot