This adjustable waist chain consists of 5 small chains. The lobster clip can hold at any part of the chain.
The key material to connect them is copper wire. The connected part is strong enough for normal use. By using already-made chains, it costs little time to get a special waist chain. Adding some beading stuff can create another style.
Each of them has a slight curve for one side is 2-loop longer than the other side intentionally.