Amazon.com: StewMac Interval Fuzz Ringer Pedal Kit, With Bare Enclosure : Musical Instruments
Amazon.com: JOYO Buffer Pedal Effect Built-in Double Buffer Groups and Boost for Electric Guitar Bass Bypass High-end Edition Dr.J Series (D57) : Musical Instruments
10 Min Buffer - AUD $6.00 : diyguitarpedals.com.au, A shop for all diy guitar pedal enthusiasts!