The knotless knot is used to tie a rig where the bait hangs below the hook, which allows the exposed hook a better chance of pricking the fish. This article covers how to tie the basic knot, which is used with many different rigs.
Knotless knot How to tie
Take a length of line from the spool.
Tie a small figure of 8 loop in one end, using a loop tyer.
Thread the line through the eye from the back towards the point. .
The amount of the line hanging below the hook is related to the size of bait you intend using.
Wrap the line down the shank starting on the side with no join in the eye.
Take the wrap down until it is in line with the point of the hook.
Hold the wrap in place and thread the line back through the eye from the back towards the point.