And Martin Simpson uses one (Shubb), as do Bert Jansch (shubb) and even Eric Himself (a Shubb on a Strat!). I use Shubbs, probably got four or five. I tried the trick of cutting the small vees for the two lower bass strings and it works okay but I cut the fifth string vee a bit deep, so I'll have to try again.

(In the UK, you can get replacement rubbers [ooh, er, missus!] from www.highlystrung.co.uk for £1 each).

Pete