Skreddy stuff is seriously, wildly good; I'd tip them to be collectable in future. This is voiced after a cranked AC15 style combo, so you get that tasty jumpy, spanky chiming drive. The 'Sag' control is a little optical compressor circuit, so you can dial in a rectifier style natural compression. The two band EQ is magical; it's voiced perfectly and gives you a heap to play with. Handy as an always-on preamp style pedal or an awesome standalone drive; alternately it kinda works nicely as a treble booster style thing too. Very, very good indeed.

Model: Skreddy Pedals Rubber Soul 
Made: USA, recent model
Type: overdrive/pre-amp, Vox voiced
Power: standard 9v negative supply(not included)
Switching: true bypass
Equivalent new street price (approx): $380aud
Mods: velcro attached
Accessories: original box and manual
Condition notes: used, no major marks, excellent condition