VEVOR 5-in-1 Heat Press Machine, 12" x 15" Fast Heating, 360 Swing Away Digital Sublimation Transfer, T-Shirt Vinyl Transfer Printer for Banners Canvas Bag Shirts Pillow Cups Tested to UL Standards
I have tried everything but the handle flies open as soon as I let it go. I have tried small adjustments in bothe directions. What is the proper way to adjust pressure.?