these work best if you toggle auto-cross fade off.
1. make a loop selection. Hit the key, and watch that loop selection material be duplicated right/left. Note items in the new location are overwritten.
and this one is also pretty nifty!
make a loop selection, hit the key and watch as the loop selection material is duplicated to the right... all items are shifted (rippled) to the right to make room.
also, you need to adjust your prefs such this one:
is enabled.
happy fast editing!
.t