Originally Posted by
Sculptor7
Having had a number of times when people cut me off to make a right turn I try to be very aware of what's behind me as I approach an intersection and just before it I point emphatically to the ground on my left to indicate I am going straight ahead. Whether this works with the occasionally impatient idiot I don't know but it gives me a sense of assurance that at least I have given those behind me pause for thought.
I have been doing that for many years (I point to the 8 o'clock position) and with few exceptions motorists get the idea. Even drivers that don't realize my intentions become wary because they don't know what I am about to do.