Tools for use with SMD hot air gun

I've just bought a cheapo hot air gun, the type with the fan inside the handle. I only need one very occasionally. I can usually get by with my soldering irons.

Anyway, the hot air gun came with various accessories: side cutters, tweezers, screwdriver, etc. and a strange looking 6mm dia x 100mm long rod with whiskers on the end. The whiskers are made of 0.5mm dia spring wire doubled back on itself and screwed to end of the rod.

I have absolutely no idea what it could be used for; anyone here know?
 
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