Ouchi-Gari's key points
a) Keep toes pointed (not flat-footed)
b) Don't lift your foot but keep it on the mat
c) Sleeve hand pins uke's right arm to her right leg
d) Lapel hand exposes uke's left shoulder and pins her left arm to her back
e) Hands and legs must work together seamlessly

Kouchi-Gari's key points
a) Do a little skip to get your attacking leg closer to uke's target leg
b) Sleeve hand points in the direction of the throw
c) Lapel hand pushes into uke's chin and in the direction of the throw
d) The knee should be pointing outside, not inside