Clip Menu Action Mac Windows Mute/Unmute Clips Command+M Ctrl+M Lock/Unlock Clips Command+L Ctrl+L Time Lock/Unlock the selected Clip Option+Control+L Alt+Start+L Bring to Front Option+Shift+F Alt+Shift+F Send to Back Option+Shift+B Alt+Shift+B Group Clips Command+Option+G Ctrl+Alt+G Ungroup Clips Command+Option+U Ctrl+Alt+U Regroup Clips Command+Option+R Ctrl+Alt+R Loop Clip Command+Option+L Ctrl+Alt+L Capture Clip Command+R Ctrl+R Identify Sync Point Command+Comma (,) Ctrl+Comma (,) Quantize Clip to Nearest Grid Command+0 (zero) Ctrl+0 Open Elastic Properties windows Option+5 (on numeric keypad) Alt+5 (on numeric keypad)