On 21 Dec, 20:34, david b wrote:
Hopefully you'll like it, feedback would be much appreciated! i'll be
checking back here regularly.

I roll up a bit of old lino and use it to hold bags open like a bin,
then pull it out afterwards. Seems to work.
Two bits of hardboard with hand-straps make your hands a lot bigger
too.

Good luck with the invention, though.