How to Paint Baseboards and Trim
Here’s a great guard that you can purchase on Amazon. Makes it quite easy to paint along baseboards and trim without having to purchase blue tape.
Your friend has shared a link to a Home Depot product they think you would be interested in seeing.
https://www.homedepot.com/p/36-in-Aluminum-Multi-Angled-Paint-Spray-Shield-19PT0906/314472698
Or
Edward Tools Paint Trim Guard - 12” Stainless Steel Trim Guide Blade is Perfect Size for Painting - Works for Cutting Guide - Ideal Thickness for Precision Painting https://a.co/d/bUtSbv4