Aagh ...

This was climbing up our patio windows when I opened the curtains this morning.  It is about 4 inches in length.  I went out in my nightie and took a shot from the outside too - dedicated blipping I think. It was moving a bit more quickly by then, and the sun caught its shell  which has a strange protruberance on it as if it has been stuck to another snail (probably an
"ex-snail" by now).