We used a handy Labrador, a window cill, a piece of slate and several biscuits. The answer? No. But there was lots of slaver…. https://t.co/vZubZDC5BQ

We used a handy Labrador, a window cill, a piece of slate and several biscuits. The answer? No. But there was lots of slaver…. https://t.co/vZubZDC5BQ