有味燕角板 Wood corners

燕屋内部燕木安装有味燕板可吸引更多的燕子到来造窝。
*适用於木板太硬，太杂问题之燕屋
Wood corners installed in the internal swiftlet house to attract more birds to build nests. 
Suitable for swiftlet with harden wood, problems wood.