Originally Posted by ishkatbible
speaking of dome/no dome tops... what was the deal with zipper-tops? i was going through my box-o-goodies that have been retired and found a 160-something zipper-top valk.
did that type of top do anything different for the disc? was it to hard to keep making?
What is a 'zipper-top'? First time I have heard that term. Any pics?