Things that go on Pedalboards:

MIDI Controllers

Amplifier Footswitches

Wah-Wah Pedals

Expression/Whammy Pedals

Pre- and Post- Volume Pedals

StompBoxes

Leslie Preamp controllers

Talk boxes, Mic stand mounting with tube

A/B, A/B/C, Boxes, Amp selectors

Instrument selectors; T.S. & T.R.S.

Direct boxes, MIC Preamps

Acoustic preamp /EQ boxes

Hardwire Bypass boxes

Guitar and Bass Tuners

Wireless receivers

Littlites, colored gels optional

Mute/kill/tuner switches

Power supplies, power strips, surge suppressors

Recorder remote switches

Artist cache (pics, ebow, capo, 9v, etc.)

Additional guards and bumpers

Additional handles

Flashlight, chargers

Drum machines

Sample trigger switches