Materials
water bottle (i used a big 41oz)
25ft of 550 paracord
a carabiner

Knots you should know
Overhand
Square knot
Figure 8
Half hitch

If you need help with knots animatedknots.com is a great resource, with easy to follow guides.

If you like this instructable please vote.

Step 1: The Top Colar

start by tying a square knot on a loop
secure your free end with a half hitch

Step 2: The Top Colar

start by tying a square knot on a loop
secure your free end with a half hitch

Step 3: The Top Colar

start by tying a square knot on a loop
secure your free end with a half hitch

Step 4: More Fun

Now the real fun begins.
Go back and tighten the slack from all the loops. Also tighten your knots.

Step 5: Tips

Only make the knots as big as you need to.
Use a twist tie for all the extra rope
Dont make the knots tight until your getting the final slack out.
Tie all your overhand knots the same way for a consistent look.