These are examples of decoration / stoppers / clips put on by eureka pen users
These can be purchased for cheap on the internet (see below for more information)
these can be found on the net,
good sources are Google Search, Aliexpress, Amazon, Etc.
search for one of these:
-Open ring / pen clip
-Free size ring
-sterling silver 925 Free size ring
-resin free size ring
***MAKE SURE TO GET THE "OPEN" TYPE ONES
(closed types cannot stretch open, so it is not recommended)
there are various types of materials available for these:
sterling silver, stainless steel, resin, etc.
***If you want to protect the pen from rubbing against the stopper,
you could put a double sided tape or a thin "silicone tape" between stopper / cap
or anything you can think of that can fit between the stopper / cap
you should cut the tape into certain shape, that matches the stopper design.
