As the name implies, two half hitches is identical to the round turn and two half hitches, only without the round turn at the beginning.
It’s a little faster to tie and a little more prone to jamming.
1Go under and around the pole.
2Make a half hitch by going under and around the standing part, then under the working end.
3Snug the half hitch into place.
4Make a second half hitch.
5Snug the second half hitch.
CAUTION: this knot constricts when you pull on the rope. That makes it great for attaching to furniture but terrible for attaching directly to a person.
This knot is ABOK # 1710