| 摘要 |
<p>A dog lead (2) has a suction device (4) attached near its handle (3), preferably via a shock cord (5). This enables the dog to be tethered by applying the suction device (4) to a plate glass window (7) or other smooth surface. The suction device (4) may be a simple suction pad, pressed against the surface to expel air and then released. But it may incorporate a pressure-sensitive alarm (10) to indicate unwanted separation from the anchorage surface.</p> |
