sharpen wood for a spear
In the 1800's, many Native Americans would sharpen obsidian into spear tips.
you can use a shovel or rake or if you have a knife a Swiss army knife. you can sharpen a strong stick and try to spear the creature.
stones,they used sticks to sharpen them,sticks and actually used the spine of a animal to use as a spear
A spear does its damage by applying pressure to the animal or person that it is used against. Pressure is equivalent to force divided by the area of contact. Thus, the pressure is maximized by maximizing the force, and minimizing the area of contact. So an effective spear is thrown very hard, and has a very small area of contact. There is no better way to minimize the front area of the spear than to sharpen it to a tiny point.
to sharpen (a knife or any blade) is "aiguiser" in French. To sharpen a pen is "tailler un crayon".
To "sharpen a stick at both ends" means that if Roger were to find Ralph he would kill Ralph, cut off his head and stick it on the spear like they did with the sow.
The verb of sharpness is sharpen. As in "to sharpen something".
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