Simple and reliable, and if necessary, split the loop turns out of the three bent as shown, metal plates and nail as their axis.
The purpose of such loops can be very different. For mounting each of the plates is sufficient to drill two holes for screws or bolts.
V. AVTUKH, p Ozery, Belarus
Recommend to read
“POLONAISE” BY VLADIMIR BARANOVSKY
The first time I saw "Polonaise" in the picture. He was standing on one of the Central squares of Warsaw, surrounded by a dense ring of spectators. Interest in the yacht and its captain,...
VISE-DRUM
They look close to the "classic" scheme: have a body and a fixed jaw, a screw that moves the movable jaw, lugs for attaching to the workplace. But for all its similarity to conventional...