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Tapered or straightwall cylinders?

Tapered or straightwall cylinders?


What cylinders are better for pumping?
Tapered cylinders which are slightly more narrow at the top than at the bottom or straightwall cylinders which are the same size from top to bottom?

Do I get better result with one of them?

Thank you very much in advance!



I’ve always used straightwall cylinders starting from 1.75” diameter now to 2.5” diameter, and they’ve all worked quite well. I don’t personally see the purpose of a tapered cylinder, which could possibly restrict head expansion and be uncomfortable for those with much larger glans.


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