- many reservoirs have shut-off switches allowing you to stop water from flowing through the tube without opening the valve.
Reservoirs that do not have shut-off switches tend to leak.
- Bite valves
release water when you bite down on it.
- Compression valves
release water when you press your teeth or tongue against the valve.
- Hose Clip is attached to the pack
and holds your bladder's drinking tube in place while you are not drinking.