Step 1: Cut the Pants According to the Dotted Lines As Shown in the Picture.
Step 2: Turn the Shorts Inside Out. So That After Sewing It, the Strings Wont Be Seen on the Outer Side of the Bag.
Step 3: Sew the Sides and the Bottom of the Shorts So That It Will Be Able to Hold Things Inside.
Step 4: Cut 2-3 Strips Out From the Remaining Pants.
Step 5: Sew 2 Strips of the Cloth Together So That It Is Long Enough.
Step 6: Cut 2 Strips for the End of the Sling to Be Sewn Onto the Bag.
Step 7: Turn the Sewn Short Pants Back to It's Velvet Surface.
Step 8: Sew the Sling Onto the Sides of the Bag and We Are Done!