The Shack Pack is an ability which Banjo can learn on the fire side of Hailfire Peaks, and is executed by holding 
and pressing 
. With it, Banjo can safely submerge himself in hazardous liquids, such as scalding water, and fit into tight spaces normally only accessible by Clockwork Kazooie Eggs.
Jamjars' Rhyme
- This one makes you safe
- and small,
- to fit through gaps in a
- wall!
- First hold
then press - ,
- protected in liquids you
- will be!