monitor arm keeps tilting down

Z-EDGE MS05 Single Monitor MountStand Arm, Supports 22"- 40" monitors and 26 lbs, 360° Adjustable, Clamp & Grommet Base

Mount-It! Height Adjustable Dual Monitor Wall Mount | Supports Monitors w/ 75x75mm and 100x100mm VESA Patterns & Screens 17" to 32" | Cable Management

HoMedics 600 Series Upper Arm Blood Pressure Monitor with Cuff + Pregnancy Accuracy: Battery Operated, 10-Minute Results

JLab GO Wireless Keyboard

Mount-It! Laptop Desk Stand Mount | Articulating Vented Laptop Tray Mount | Adjustable Laptop Arm Mount | Single Laptop Desk Extension w/ C-Clamp

SideTrak Swivel Pro Touch | Touchscreen Ultra Slim Attachable Portable Monitor for Laptop

Mount-It! Dual Monitor Desk Mount, Dual Monitor Arm Fits 2 Monitors max. 32" / 19.8 Lbs., Full Motion Adjustment Monitor Mount with C-Clamp, Black

AULA S99 Wireless Gaming Membrane Creamy Keyboard, Tri-Mode Connect, Num Pad, Backlit, Media Knob