In article ,
Ian Stirling writes:
Yes silicon is the way to go - and even if it's not spaced off, which
is something I didn't think of, I got mine off some time ago with a
thin bladed knife without any bother at all.

Monofilliment fishing line, string, wire, or anything else strong and
thin works well also to saw through.

I would imagine dental floss would work very well.
You could even wind it back on the spool afterwards
for reuse... ;-)

--
Andrew Gabriel