Nudge Loop Brace Left/Right
Left Arrow/Right Arrow
Move Loop by Loop Length
Up Arrow/Down Arrow
Double/Halve Loop Length
⌘[Up Arrow/Down Arrow]
Shorten/lengthen Loop
⌘[Left Arrow/Right Arrow]
Select Material in the Loop Brace
Click Loop Brace or Shift ⌘L
Split Clip at Selection (Arrange View)
Consolidate Selection into one Clip (Arrange View)
Loop Selection
Insert Silence
Pan Left/Right of Selection