StarTech CPUWALLMNT Guide De L'utilisateur page 16

2. Adjust the straps until they fit snugly against the CPU.
3. Open the clasps on the adjustable straps and pull the end of the adjustable straps
through the clasps.
4. Close the clasps. (figure 10)
figure 10
1.
Buckle
2.
Clasp
Instruction manual
11