monitor arm keeps tilting down

StarTech Single Swivel Wall-Mount Monitor Arm for 13" to 34" Monitors

Heavy-Duty Single Monitor Desk Mount with Gas Spring Arm for Monitors up to 57" Ultrawide

Mount-It! Dual Monitor Mount | Double Monitor Desk Stand | Interchangeable C-Clamp & Grommet Base | Heavy Duty Height Adjustable Arms Fit 19 - 32 in.

Mount-It! Point-of-Sale Register Stand for Checkout Stations and Screens with VESA Patterns | Bolt-Down Base, VESA 75 & 100 Compatible

Perfect Fitness Stopwatch Pro

Heavy-Duty Monitor Wall Mount with Gas Spring Arm for Monitors up to 49" Ultrawide

Heavy-Duty Monitor Mount with Gas Spring Arm for Monitors up to 49" Ultrawide

Purely E280 Ergonomic Wrist Rest

Delton KB450 Bluetooth Mechanical Keyboard

Mimo Monitors Tabletop Monitor Display Holder w/ Tilt and Rotate Bracket

Triple Monitor Mount with Gas Spring Arms and USB Ports for Monitors up to 32", Black

Triple Monitor Mount with Gas Spring Arms and USB Ports for Monitors up to 32", White

Heavy-Duty Monitor Mount with Gas Spring Arm for Monitors up to 49" Ultrawide

Emma and Oliver Ergonomic Shell Chair with Right Handed Flip-Up Tablet - Tablet Arm Desk

Mount-It! Computer Monitor Mount with Height Adjustable and Tilting Functionality, For 13" - 32" Screen Sizes, C-Clamp Installation, Silver

SideTrak Swivel 12.5" Attachable Triple Portable Monitor for Laptop - IPS Full HD 1920x1080 USB Displays - Black