you sharpen it on a stone under running water
buy steel throwing cards
A ninja's throwing star is called a shuriken and it literally translates to"dart" or "throwing star"
http://global.hidden-street.net/items/throwing-star/icicles
as long as the knive, throwing star, or whatever, is less than 6 inches, or less than four in the city, your fine if your just throwing it around in your house. talk about answering your own question. and also if it is concealed and you walking around with a concealed throwing star, that is technicly elegal.
Safety George Teague.
to sharpen (a knife or any blade) is "aiguiser" in French. To sharpen a pen is "tailler un crayon".
The verb of sharpness is sharpen. As in "to sharpen something".
Throw the star
It is wiser to sharpen your wit, instead of your tongue. I would like to sharpen my pencil, please.
Yes, iron can sharpen iron.
Sharpen is already a verb. As in the action "to sharpen something" or "to make something sharp" or "to make something strong".
You can select the part of the image you want to sharpen and click on the sharpen tool or you can just click on the sharpen tool and use the brush to sharpen certain areas. thegimpking.blogspot.com