Pins have sharp points, so if you are cautious, you can avoid puncturing your skin. Possibly you intended to ask about pin cushions, not pin caution. A pin cushion is a little pillow into which pins can be stuck, in order to store them conveniently. The reason for using a pin cushion is that it positions the pins for you, with the head outward and the point inward, so they can be more easily grasped.
If it has a sling mount pin, ther you are. I think they also make clamp on, use caution.
You cannot have a pin on AQW
To use caution is to be careful. to get a cation is to be warned against doing what you are doing.
With caution!!!
"You must take caution in walking across the wobbly bridge"
A pin is used so if someone steals your DSI they cant use it because they need to know the pin to use it. Basiclay it has a pin for the same reason as a i pod has a pin. -Bow to Arrow Shield to Sword-
A diamond pin or broach -- brooch -- may have an aesthetic use as an adornment.
clubpenguin.cc has a pin tracker you can use
With caution.
Caution (noun): They were advised to use caution when hiking through bear country. A word of caution was included in the instructions. Caution (verb): Medical professionals caution against taking too much notice of email health warnings. There's a sign urging caution be used when boarding the escalator.
In North America the neutral pin is used to complete the circuit. One pin is "hot", one pin is neutral and the last pin is ground.
pin