Rob Edwards had a secret practice ground somewhere in North Yorkshire.
Here is a photo taken in 1978 of some stars of yesteryear who swapped machinery.
Left to Right: Malcolm Rathmell (Suzuki); Charles Coutard (SWM); Colin Bell, Irish Champion; Martin Lampkin (Bultaco 325 Factory machine); Dickie Bowes and on the far right, the rear of Rathmell’s Suzuki. Photo: Rob Edwards.
Different location, but a practice session outside the old Montesa Espluges factory in Barcelona in 1977.
Felix Krahnstover, the multiple German Trials Champion on his 348 Cota practices over the rock garden at the front of the Montesa Espluges factory in 1977. Photo: Rob Edwards Private Collection.Watched by the Montesa factory mechanic, Nigel Birkett and Brian Fowler, Rob Shepherd puts his factory Honda through its paces outside the Montesa Factory. Now Honda owns the Montesa brand! Photo: Rob Edwards Private Collection.
TRIALS GURU 
just above Osmotherly have ridden many times there with Rob
hi John,big thanks for your articles,we had a Colin Bell,is it him you mean or did we have a Derek Bell??
It looks like the Swm is being given fuel from marts bult