so so because everyone comes to us with pain we work very hard to hack our way around it so let's say sitting uh causes their pain all right we'll find out that when uh we do a sitting test if they sit slouched that causes their pain when they sit upright their pain goes away so I will give them a uh lumbar support which I'm just happening to use now I had to sit on an airplane for 5 hours yesterday coming to see you and this allows me to not get back pain on the airplane while I'm sitting because if I sit flexed for 5 hours I will have a grumpy back