I see what you mean with the corded effect or maggot pots as my daughters art teacher called them

Hows about ox hide ingots?
http://www.ashmol.ox.ac.uk/ash/amulets/cypruscopper/AncCyp-Cu-05.html

Compare the horned cairns to the Tomba di giganti and then add a foggy notion connecting the Nuraghe of Sardinia to the Brochs and you end up in a bizarre place

I got a million of 'em ....arf!