Welcome to CapCinch!  Makers of the "Capcinch" hat holder.   The only product of it's kind on the market that helps keep your "cap" style hat securely on your head in high wind conditions.  The Capcinch is so easy to use "it's a cinch" to attach by clipping the Capcinch to each side of your cap.   Then you just put the cap on your head as normal making sure the capcinch is securely applying pressure to the back of your head.  To adjust the tension you simply move the clips farther forward (towards your ears) on the cap.