1.12 Pockets: Cov cuab yeej siv lub hnab yog ib qho yooj yim rau lob thiab teeb tsa cov cuab yeej tseem ceeb thiab suav nrog peb lub tes tsho sab nraud thiab rauj tuav, ua rau nws zoo meej cov cuab yeej siv.
2. Dav dav: 2 qhov sib txuas thiab 3 lub hnab tsho sab hauv rau cov cuab yeej me, ua rau nws siv tau zoo tshaj plaws. Lub 600D hauv ob sab phlu nyob rau hauv no siv lub hnab siv maximizes visibility thiab lub koom haum.