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Dexterous and light prosthetic hand can tie knots and comb hair
A prosthetic hand that weighs about half that of a human hand also enables wearers to carry out intricate tasks, such as tying knots ...
Knot Up: 6 Essential Knots Every Backpacker Should Know
Knowing how to tie a knot is an essential set of skills needed in order to stay safe out in the wilderness, and one of the ...