Foxx Tone Machine octave fuzz mod HELP NEEDED PLEASE

[Lalope]

Hi ! , I would like to modify a Foxx Tone Machine PCB in order to replace the classical octave on/off toggle switch by a on/off 3pdt footswitchplus a "dry" pot to adjust the octave effect level as for the Orange Amps Fur Coat pedal.
Do you think it is feasable on this pcb (link below)? if yes, could you tell me how ?

In adavance thank you !
https://www.musikding.de/docs/musikding/foxx/foxxschalt.pdf

[Lalope]

no advises ?!
In other word, is it possible to replace a toggle switch with a 3pdft footswitch and in serial, a volume pot to adjust the amount of octave effect ?....

Thanks

[radio]

you can replace the octave switch by a foot switch. It has been done before.

To add a blend pot can be tricky for the blend side needs to be amplified

for the clean to be heard as well