The Honker Hammer XL has a longer barrel which creates back pressure for more call control. This improved back pressure also lets the reed pick up quicker and it makes the call easier to operate. All of the BGC acrylic calls are made from the finest acrylics available, and each call is hand tuned and hand tested. Improved back pressure lets reed pick up quicker making the call easy to operate. Acrylic Blue Pearl w/ White Swirl.