What are /r/Slimemolds' favorite Products & Services?

From 3.5 billion Reddit comments

Not sure if this is breaking rules to post a shopping link, but here's the one:

Xenvo Pro Lens Kit for iPhone and Android, Macro and Wide Angle Lens with LED Light and Travel Case https://www.amazon.com/dp/B01A6D2JVI/ref=cm_sw_r_apan_glt_i_FP5YSQ5JFNQA54V7AJ35?_encoding=UTF8&psc=1