In essence, the feat improves Stand Still to include enemies within your reach and combines it with Improved Bullrush/Drag/Reposition--the feats that let you move people around the field a bit.
The rage power combines No Escape with the feat Step Up (the first part of No Escape if still 1/rage. The part from Step Up is 1/round).
Trying to help a player build an inuit-style barbarian hunter with a spear.
What problems can you forsee?