Measuring a bicycle chain's pitch can be used to identify chain wear and flag the need for a replacement chain and/or cogs and chainrings. Bicycle Chains: Length, Width, What's Best to Buy etc.
An industrial, or scaffold, piercing is made up of two holes that are connected by a single piece of jewelry (usually a long barbell). An industrial piercing is commonly made through the cartilage on the upper ear, with one hole close to the head and the other further down on the outer rim. Two or more industrials on one ear is sometimes referred to as an ear cage.
To help keep your daith piercing germ free until it heals completely, this is what you should do: 1  Sterilize a glass of water by boiling it for 5 minutes and let it cool down. 2  Dissolve 1/4 teaspoon of salt in the warm water. 3  Soak a clean piece of gauze in the salt remedy and apply to the daith piercing as a warm compress.