The image is of a pig’s bladder on a stick, used by the morris fool. Morris dancers will be very familiar as to what this is.
Beer drinking is a favourite pastime of morris dancers. A ‘caper’ is a morris dance step.
It is well known that morris dancers wear bells – usually tied around their shins.
‘Shave the Donkey’ is a well-known morris dance, hence if a morris dancer is ill, the rest of the side can’t ‘shave the donkey’ without them.
An Ale is a party hosted by one morris side, to which other sides are invited to dance and socialise. This card combines the ideas of the flowers on a morris dancer’s hat with giving flowers to say ‘thank you’.