What are the two extra loops for at the bottom of my Astro skybags backpack?

Astro skybags bagpacks are best for climbing mountain, trekking, camping. 

Such loops are known as gear loop. These loops are very helfpul for climbing mountain, trekking through hills, or camping. Purpose of these loop are to provide an option to attach water bottles, axes, or other handy tools. I hang torch light in these loops.

Price: Rs 1400 /- INR

Available at amazon. Know more