Irish Brain Teaser Part 2

So let's see if we're all we're craic'd up to be – if you'll forgive the pun – by solving the following Irish-themed conundrums.

All answers posted beneath the image

Rock Riddle

What Irish rock is as light as a feather?

Leprechaun Riddle

How many gold coins can a leprechaun fit in an empty pot?

St. Patrick Riddle

What would St. Patrick be called if he was born on December 25?

Arm Riddle

What has 2 arms, no hands and only appears once a year?

Answers below:

What Irish rock is as light as a feather? - A Shamrock

How many gold coins can a leprechaun fit in an empty pot? - None, because otherwise it's not empty anymore.

What would St. Patrick be called if he was born on December 25? - St O'Claus.

What has 2 arms, no hands and only appears once a year? - Christmas jumper (courtesy of mammy).