http://www.bassplayer.com/article/les-claypool/jul-06/21944 Basses Carl Thompson 4-string with Kahler tremolo; Carl Thompson 6-string fretless “rainbow bass”; Dan Maloney banjo bass; “Whamola” one-string washtub-style bass; 5-string NS Design electric upright; Dean Markley Blue Steel strings (.045–100)
Rig 2 Ampeg SVT-5PRO heads, 2 Ampeg 4x10 and 2 Ampeg 1x15 cabs
Effects MXR M-80 Bass DI +, Line 6 DM4 Distortion Modeler, Line 6 DL4 Delay Modeler, Boomerang Phrase Sampler, Kork Toneworks AX3000B multi-effects unit, DBX 160a Compressor, Access Virus TI synthesizer with MIDI foot controller
“We used to just run Les’s effected tone to the amps,” says tech Derek Walls. “On this tour we started to split his signal: wet to the 4x10s, and dry to the 1x15s.”