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From Fellrnr.com, Running tips
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|[[File:GarminDuctTape2.JPG|none|thumb|x300px| Fold the duct tape up over the front of the strap. You can stick it to the transmitter as shown in this picture, which gives it good adhesion.]]
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=Superman mode=
Another approach to reducing chaffing is to wear the chest strap over an [[UnderArmour HeatGear]] top rather than underneath. You'll need some gel to get contact initially, but this should not be a problem if you're sweating enough. (I call this "superman mode", as that fictional character wears his underwear over his trousers.)
[[File:Superman HRM.jpg|center|thumb|300px|]]
=Other Fixes=
There are a number of problems you can still get with the Heart Rate Monitoring.
[[File:GarminHRM4.jpg|center|thumb|300px|The HRM4 at the top, the older style Garmin HRM, and the Polar H7.]]
=Testing a Heart Rate Monitor Strap=
Based on some empirical testing, I've found that the resistance between the popper contacts and the electrode pads is typically about 1.0-1.2 KΩ. A higher resistance suggests that the strap is worn out or damage and faulty readings are more likely. If that's the case, there's no fix that I'm aware of and it's time for a new strap. I typically find my straps last about a year or so.
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