The adjustment of knapsack strap
1. Tighten the strap
Pull the strap downward.
Attachment and removal of a strainer
・When removing a strainer, it's level
or the rib is made vertical.
・When fixing it partially to stop a
float of a strainer, it's level or I
make them revolve 45 times from a
vertical.
2. Loosen the strap
Life strap buckle upward to loosen.
8
The adjustment of chest strap
Pull the chest strap to tighten.
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