Here are two of the quoits (German: Pechkränze) that came from the inventory of the old Veste (fortress) of Coburg, Northern Bavaria. 
They consist of matchcord soaked in tar and wound around a wooden ring core; their diameter differs between 40 and 45 cm, the average weight is 2.5 kg. 
The second, smaller type of quoits attached features intertwined matchcord; at a diameter of ca 30 cm, their weight is only 500 grams. 
Source: Alfred Geibig: Gefährlich und schön. Coburg, 1996, p. 122f. 
 
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