| 摘要 |
A deterrent device can include an elongated base having upper and lower raised portions and a plurality of spikes coupled thereto. The spikes can each be configured to extend from the base such that such that the spikes alternate on each side of the base between a lower-angled spike and an upper-angled spike. The base can further include first and second wings that each has a width that is at least twice a width of the base. |
