taking a 3 hr trip today will see if the stay in place. If you guys make these changes Ill buy again and buy for family. Very useful for jewellery making. The adjusting swivels of the ?cans? are very stiff, so the cans need to be manually pressed into your head every-time you wear them to achieve a decent seal and correct angle of the ear-cups; this is kind of ok, but clamping force also maintains the ?cans? in a solid stationary position while the drive unit oscillates back and forth. Yes, it does have horizontal scroll that enables left/right scrolling. I game and teach English online. Very very thin. my legs did not bother me any more than normal after working 3 hours. Very inconvenient for work and not worth the money The top of the slipper is a bit small and digs into the top of my foot, but I think once I break it in it will be more comfortable.