What are /r/locksport's favorite Products & Services?

From 3.5 billion Reddit comments

My search for “lock clasp bracelet key” turned up some results, like this: Love lock bracelet with lock key, bracelet with lock for 2, key bracelet pair, silver stainless steel bangle set suitable for couples jewellery sets gift https://www.amazon.de/dp/B098DWHPP6/ref=cm_sw_r_awdo_navT_a_YHJQ0RS7T822CEQ5RR90?psc=1 (sorry I’m in Germany so I get Germany relevant results in Google)