| 摘要 |
A deterrent device can include an elongated base having a plurality of spikes coupled to the base that are 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. co co C) co N 0 CN I-. cq co 0 (N co co C) CD 0 0 co 0 --l C) Cl co C) C) Cl co (0 co Cl CN < C) |
