Ripping out seams is a tedious task that can be messy, but it doesn't have to be. It is very easy to learn How to use a seam ripper properly
How To Use A Seam Ripper For Sewing
AnielskaAniela: A Blog for Sewing Lovers and DIY Enthusiasts
The Correct Way to Use a Seam Ripper (with the Red Ball!)
How to Use a Seam Gauge to Measure Waistbands and Hems
Proper Seam Ripper Use & Tips For Fast Unpicking - Easy Peasy
How To Use A Seam Ripper - Updated
Lighted Seam Ripper MANUAL
How to use Seam Ripper (and that too with the red ball!) - SewGuide
How to use a seam ripper, razor blade seam ripper, 3 different kinds of seam rippers
How to use a seam ripper
What is a seam ripper (why it's a good thing) - Elizabeth Made This