Richard Welty on Nostr: ensso includes a rubber o-ring on pens they think can be eyedroppered. there is no ...

ensso includes a rubber o-ring on pens they think can be eyedroppered. there is no seal on the Pocket Six. a reason i'd not try it - although i'm not actually tempted to do it with my ensso italia pocket pen, either despite the presence of the o-ring.