monitor arm keeps tilting down

tippy type Keyboard Cover Compatible with Mac

Lifelong Portable Monitor 15.6" 1080P Model G70: High-Definition Display, IPS Panel

Sanoxy Slim Wireless BT Keyboard for iOS, Android, Windows

Emerald Dual Monitor Desk Mount for 17-32" Screens, Full Motion Adjustable Arm Stand with Tilt, Swivel, and Cable Management

Mount-It! Tilted Laptop & Tablet Riser | Laptop Cooling Stand for MacBook, MacBook Pro, Chromebook, iPad Pro, Drawing Tablets with 11" - 15" Screens

Mount-It! Keyboard Tray for Wall or Pole Mounting, Keyboard Mount with Spring Arm, Full Motion Arm for Easy Adjustments w/ Tilt, Swivel and Extension

LG Electronics 24GS50F 24" Full HD IPS 180 Hz Monitor: Wall Mountable, Gaming

GEMS E-Reader Pillow Mount - Future Dusk: Tablet Stand, Kindle Compatible

SteelSeries APEX Pro TKL Wireless Keyboard

SideTrak Slide 12.5" Attachable Portable Monitor for Laptop - IPS Full HD 1920x1080 USB Display - Black

Unique Bargains Ergonomic Silicone Gel Mouse Support Wrist Rest for Computer Office

Clamp-on Keyboard Tray 24" x 11"

Mount-It! Double Monitor Desk Stand Fits 21 - 32 Inch Computer Screens | Freestanding Base | 2 Heavy Duty Full Motion Adjustable Arms

Vivitar Kindle Holders Black

Z-EDGE UG34 34" Ultrawide 2K Curved Gaming Monitor with 165Hz Refresh Rate, WQHD(3440x1440), 21:9 Aspect Ratio, 1ms MPRT, AMD Freesync

Monitor Light Bar, USB-Powered LED Lamp with Stepless Dimming and Adjustable Color Temperature

Kinesis Freestyle2 Keyboard for PC - USB Connectivity, Ergonomic Design, KB800PB-US

Mount-It! Free Standing Dual Monitor Stand | Double Monitor Desk Mount | Fits Two 19 - 27 Inch Computer Screens | 2 Heavy Duty Height Adjustable Arms

Vivitar Kindle Holders White

Mount-It! Vertical Dual Monitor Mount | Stacked Monitor Desk Stand | Fits 2 Computer Screens 19 - 32 Inches | C-Clamp and Grommet Bases

Mount-It! Full Motion Dual Arm Monitor Wall Mount, Works with Monitors from 13" to 27" Weighing Up to 14.3 lbs.

Mount-It! Ultra Wide Monitor Mount and TV Desk Mount | Heavy-Duty Height and Tilt Adjustable Monitor Stand for Screens up to 42"

tippy type Limited Edition Keyboard Cover Compatible with Mac - Garnet Glow

Mount-It! Laptop Desk Mount with Monitor Arm, Dual Laptop and Monitor Stand with Clamp / Grommet Base / Ventilated Cooling Tray