Think spinning a sign by the side of the road sounds easy? Think again.

Sign spinners — they who inform passing motorists of closeout specials and condo sales — undergo training sessions to learn many of their acrobatic routines.

We spotted nearly a dozen spinners from the local Aarow Advertising franchise practicing in a small park near Columbia Pike on Friday. They were getting ready to perform during the next day’s Georgetown basketball game at the Verizon Center.