No. This is bad advice.
- Get close enough to touch them.
- Don’t touch them.
Sometimes you will. Learn from that.
P.S. Actually if you stroke them sideways or avoid putting a lot of pressure on the pointy parts, you can touch a lot of them.
P.P.S. Some will still hurt you no matter how you try though. Learn the difference, through experience.But it doesn’t have to be your experience; you are allowed to learn from others mistakes. That’s my favorite school!