That the cord does not interfere with the movement of the sled during the descent from the mountain, I propose to make it retractable. For this to end you need to tie the two segments of elastics and pin them at the back of the sled. The knots will serve as the limiters of pulling the rope when towing.
A. KUZMIN, Leningrad
Recommend to read
THE HOUSE WILL BE WARMER
Twenty years I live in a house built once with their hands. Of course, then was folded up and the furnace, which three years later was covered with ceramic tiles with dimensions of...
SECRETARY OF THE STUDENT
Many original equipment for studying and doing something they demonstrated this year in Moscow at the International exhibition "Technical means in educational process". Special interest...
