Another one: turning the handle on my popcorn cooker and hitting microwave buttons to melt butter. Steering with one hand and changing radio stations with the

Another one: turning the handle on my popcorn cooker and hitting microwave buttons to melt butter. Steering with one hand and changing radio stations with the other. One that I feel I can't do at all: hit a keyboard key really fast with one hand and hit another one more slowly with another. Unless I treat it like playing drums in a specific rhythm, my fast hand has to stop briefly to let my slow hand hit its key.