ORELHAS

"Ears" - One for Danksound - in 1981 we were in Sines (pronounced Seensh) 100 km south of Lisbon. I was scrobbling about on the beach when this beautiful eight-year-old girl took me under her wing & showed me these wee beauties...

A couple of years later I found a beach near Barbate near C, Trafalgar where there were loads - here they were called Orejitas (little ears).

Fibonacci numbers full on here - see:https://en.wikipedia.org/wiki/Golden_spiral

They belong as a trapdoor in the extra snail to keep the sand out of this tough old snail who lives in the surf...

Fancy a coffee? Extra2