"smart advice but how do you empty your pockets in good time as not to hold the line? In my local airport there are no tables before the X-ray machines. "
Rwy in sight
You sound like those people in the queue in front o fme who wear heaps of jewelery, mig belts with metal on them, shoes that take agres to take off and pockets full of everything likely to set off a machine.
As was said by Tango
"prepare myself well before reaching security."
You talk about Summer / Winter and not having a jacket, think even further ahead than that and take a clear plastic bag with you to put everything in - it takes no space and can be tucked away somewhere afterwards - plus of course cut down on the crap you carry.