the bounce dryer bar is great! it's an economical alternative to buying dryer sheets and fabric softeners, and it's not messy. simply peel off the backing, attach to the inside of the dryer somewhere on the drum (not the fins), and dry your clothes as you usually would. it doesn't leave a residue that i've seen, but then, i take my clothes out of the dryer as soon as i hear the buzzer. leaving the clothes in too long might cause warm clothes to rest against the bar and get some of the product on them, which isn't really a cause for concern, as instructions are included on the packaging in the...read full review »