Product review (4 stars): Red adhesive can discolor clothes in a dryer if not cleaned off properly after dryer re-assembly
The instructions tells you to apply the glue to both attaching surfaces, wait a specified time for the glue to partially cure and get tacky, then press the two surfaces together. Unfortunately, the instructions didn't tell me that the glue is runny enough to drip off the metal surface of my dryer's rear bulkhead before it gets cured enough for re-assembly. It soaked nicely into the felt belt, but while I was waiting for the glue to get tacky, some of it dripped onto the part of the rear bulkhead that would be inside the dryer drum when assembled. The instructions do tell you to clean off any excessive red glue so it wouldn't discolor your clothes when you use the dryer.

In retrospect, maybe I could detach the rear bulkhead of my dryer so the glue can cure on a level surface. Unfortunately, I found no videos on youtube that warned me of this potential hazard, and that extra disassembly and subsequent reassembly would take even more time and was hard to manage in my small laundry room.