I WANT TO CONNECT MY CAB TO MY BED SO I CAN PUT A SEALED SPEAKER BOX IN THE BED. AND STILL WANT TO KEEP MY FOOT ROOM IN THE CAB. I HAVE A 93 C-1500 STANDARD CAB...... I KNOW SOMEONE MAKES SOME TYPE OF RUBBER BOOT OR DOHNUT TO GO BETWEEN THE TWO.. I JUST NEED TO KNOW WERE I CAN GET ONE OR WHAT TO DO.... I KNOW I CAN'T WELD THE TWO TOGETHER CAUSE THERE IS TO MUCH MOVEMENT BETWEEN THE TWO.........I HOPE SOMEONE CAN HELP ME...JEFF