EM-Chiseller
Thru Hiker
I'd say my rain kilt is probably my most Used piece of kit... Even used for going to shops, walking to work when I'm wearing shorts in the rain, used for warmth as a wind breaker... And like You, a ground cloth.When wet I use a ULA rain kilt from the US. Great piece of kit doubles up as small ground sheet in my tent vestibule to keep gear off the grass; before that did go with a modified bin liner skirt.
I used to have a cracking home made one from a blue bin liner... T'wer very fetching