I've got this little Hiwatt Custom 10 SS amp that I picked up for $30

I love the distortion I can get on it, I don't know why, but it's cool sounding.

Either way, I'm thinking about wiring up a bypass switch to switch it on and off and then using the headphone jack as an out to go into my amp

Will this work, and does anyone have any ideas about the on/off switch?
MIM Fender Telecaster
Art & Lutherie Cedar
1969 EKO Ranchero
G&L Tribute L2500

Traynor YCV40WR
Yorkville BM400H
Peavey TVX 4x10

Behringer DSP1000
Dunlop GCB95 Wah
Digitech HotRod
BBE Sonic Stomp
you could see if the distortion is a separate circuit kinda thing and rip that off and put it in a casing, otherwise, i think you have the right idea