Normal vs. not normal
| Your skin looks like | Verdict |
| Fades within 10–30 minutes | ✅ Normal |
| Faint outline of strap | ✅ Normal |
| Lasts longer than 1 hour | ⚠️ Loosen straps |
| Dark red or purple mark | ❌ Too tight – adjust |
| Broken skin, blister, or sore | ❌ Stop using. See doctor. |
Quick action guide
| Problem | Fix |
| Redness fades quickly | ✅ No action needed |
| Redness lasts >1 hour | Loosen straps by 1 notch |
| Same spot marks every time | Reposition strap or pad |
| Blister or open skin | Stop using. Heal first. Consult doctor. |
How to prevent skin marks
- Check straps before each use
- Clean pads weekly (sweat salt worsens rubbing)
- Avoid wearing the same spot too tight daily