Any terrier that worked rocks on a regular basis needed the frame to fit the work,id not go near rocks with the majority of the barrel chested,short coupled brutes bred now,a dog higher on the leg with a good length,slat ribbed and agile,many a Lakey and Fell were bred this way only in the not to distant past,the Beddy and its hybrids is readily suited to this type of work,im not talking about the over-sized and heavy Beddy,s bred now,or in the past,they were as useless then as they are now.You only need to look at the average terriers breeding to realise the vast majority bred now are unsuite