any suggestion on rubber tape / bumpers that you can attached to the arm and sides to protect it from bumps and scratches. For an example, feiyu tech a1000 have these rubber bumpers.  let me know what you guys think

Have a look :
https://konkludenz.de/en/edge-protection-for-the-dji-ronin-s/

Hi mobilemak, currently, we do not have this kind of protector for Ronin-S, but your need will be forwarded to our engineers for consideration, thanks for your suggestion.