I HAVE DOORS UNDER MY SINK AND THEY DON'T STAY SHUT TIGHT.THEY ARE ALWAYS AJAR JUST A LITTLE. BUT ENOUGH SO THAT MY POCKET OR ZIPPER GET CAUGHT ON THE KNOB AND PULLS IT OPEN. CAN SOMEONE TELL ME HOW TO READJUST THEM SO THEY WILL CLOSE TIGHT NAD NOT BE A PAIN IN THE BUTT.