Wait you're actually using shears for the blend and not just the texturizing? That's wild lol. Most barbers I know would be terrified to try that, it's so easy to mess up the graduation. But tbh on really thick hair it makes total sense, clippers can only do so much. Huge respect for getting that technique down, that's next level stuff for real.
Oh wow, I've seen this done before! On super thick hair, shears let you control the weight better than clippers. My cousin's a barber and he uses shears on curly hair to avoid that bulky look. The key is to keep the shears moving and not cut too much at once. It takes practice, but once you get it, the blend looks so natural. Definitely worth trying if you're dealing with dense hair types.
Totally agree with what @mary_shah9 said about keeping the shears moving. Practiced on mannequins for weeks before trying it on a real person, and it really does give you way more control over the weight.