This is the official YouTube channel of the Sperm Switch - Bimek SLV.
The Sperm Switch is a spermatic duct valve, developed by Clemens Bimek in 20 years of research.
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Paypal: paypal.me/spermswitchgo?locale.x=de_DE
Patreon: www.patreon.com/spermswitch
Linktree: linktr.ee/spermswitch