Quote Originally Posted by kilted2000 View Post
You mean something like this. https://www.usakilts.com/piper-flex-jacket.html
Yup. Pretty much. That one incorporates changes that wouldn't be possible with a pre-existing jacket (adding an inch to the back width, using a wool/lycra blend, etc.), but a similar idea - make it easier to play the pipes without impairing arm/shoulder comfort and movement.