Meet more of Spider-man

The clamp held firm. Too firm. I rotated my torso, gripping the jointed acrylic stalk behind my hip. One sharp snap. The transparent jaw slipped. Free. I dropped onto the shelf runner below, absorbing the shock into bent knees and splayed fingertips. Dust lifted in a faint ring. Right beside my foot sat a heavy ceramic bookend shaped like an iron wedge. I rapped its rim with my knuckles. Dull, solid thud. Good foundation. The lower sector is open. I remain low, scanning the perimeter.