| They are composed of either particles or physical abraders such as sandpaper, steel wool, scrubbing pads, etc. |
| Several sandstone abraders, pieces of a very abrasive red sandstone, that were ground square on one edge. |
| Henning notes the use of clinker abraders at the Blood Run site. |
| The sandstone abraders were small, the largest being 8.23 cm in length and the smaller 3.94 cm. |
| Items found with the burials, such as arrow shaft abraders, arrow shaft wrenches, and bifaces, were of exceptional quality. |
| Abraders that prepare the surface of panels to hold a secure bond. |
