monitor arm keeps tilting down

HUANUO Dual Monitor Stand, Fully Adjustable Desk Mount for 13-32 Inch Screens, C Clamp & Grommet Base, Each Arm Holds 4.4-19.8lbs, White

Peerless TruVue TVA750 Full-Motion Tilting Wall Mount for 32" to 50" + Displays

FlexiSpot D1D-E Adjustable Dual Arms for Sit-Stand Riser up to 30" Monitors

Gems Corgi Mouse Wrist Rest: Foam Flexible Design Wrist Cushion Accessory

Vivitar Aluminum Laptop Stand - Light Pink

Mount-It! Cubicle Monitor Mount Hanger Attachment, Height Adjustable VESA Bracket for a 17" to 32" Screen, Adjustable Hook Supports up to 17.6 Lbs.

Rocstor Mounting Arm for LED Display Monitor Aluminum Silver Landscape/Portrait

Veridian Fingertip Pulse Oximeter

Mouse Pad with Wrist Rest - heyday™ Cat

Ergonomic Memory Foam Keyboard and Mouse Wrist Rest Set – Massage Texture, Non-Slip Base, Adjustable Angle, Perfect for Office, Gaming

ViewSonic VA2247-MH 22" 1080p Monitor - AMD FreeSync

Mount-It! Laptop Pole Mount Tray | Full Motion Laptop Mount Fits Up to 15.6 Laptops | Universal Laptop Stand For Add On to Monitor Mounts

Mount-It! Large Monitor Desk Mount with VESA Bolting Pattern, Fits up to 42 Inch and Ultrawide Monitors, Full Motion with Clamp and Grommet Base

Blu Monaco Monitor Stand with Drawers - Computer Monitor Riser with Storage - Laptop Stand for Desk with Storage

Targus 17" Dual Fan Chill Mat - Black

JuiceUp Extended Gas Spring Monitor Arm Desk Stand

X9 Performance RF Wireless Multimedia USB Keyboard with Wrist Rest for Windows PC & Chrome OS

Mount-It! Laptop Desk Arm | Swivel Laptop Stand with Gas Spring Arm | Height Adjustable Laptop Arm Mount for MacBook, Dell, HP & 11-17 Inch Laptops

Premium Height Adjustable Single Monitor Arm Black - Rocelco: Ergonomic, Secure, with Cable Management

SIIG Dual Stacked Monitor Arm Desk Mount, 17-32", Max Load 19.8lbs Each

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