On Fri, 22 Jun 2012 18:52:30 -0400, Jim Wilkins wrote:

"Winston" wrote in message
...
...
Building on Jim's idea, it'd be nifty to use an open-top drum lid as a
hoop to secure the fabric.

--Winston

Mine are plastic with screw-on lid rings that fit too snugly. Rope works
fine.

Double knot? Trucker's hitch?

--Winston