WTD: Those blue things on 3com switches

[Culture]

Hi,
Has anyone got those blue things you use on the side of 3com switches to stack them with going spare?
You know the ones i mean :)

C

[jase]

Blu-Tac ??

[Cabe]

I didnt know they made blue gaffa tape, learn something new every day...

[Culture]

homos