This probably has been done, but I don't recall seeing one and apologies if I missed it. These days, I'm gassing for 3 pedals I previously owned: (1) MXR BOD, which I sold while scaling down from a PT-PRO to a PT-2 and wanting a few pedals to double-up, i.e. the BSW as a filter-octave-fuzz multi-effect pedal; (2) EHX Micro Q-Tron, which I sold to fund something else, but still miss. I found it worked well for me on one setting only, but it did that really well. (3) MXR Phase 90 Block, sold to fund something else. In the past, I also went twice and sold not long after on both occasions: Boss CS-3 and a Digitech Bad Monkey. I recently bought a Boss AW-3, also the 2nd time I own this pedal. It was my 1st filter years ago and I certainly didn't understand them as well as I do at this point, so I returned it the day after I bought it. Now, I find I'm not hating it so much. So, dare I ask, - What are the pedal(s) you brought back for a 2nd (or more) tour of duty - Why did you first sold it? - Why did you bought one back ?