The pitched roof of the A-frame bough shelter offers more protection against the wind than a lean-to and can still be heated by fire at the entrance. One drawback is that the occupant can't lie down parallel to the fire for even warmth.
1, Lift one end of a log and either lash it or wedge it into the crotch of a tree. Tilt poles on either side to form an A-frame roof.
2, Strengthen and thatch the roof as you would a bough lean-to