Clarkson's Farm, available on Prime Video, sees Jeremy Clarkson enlisting the help of his old friend and The Grand Tour co-presenter Richard Hammond in its fourth season.

Jeremy, with ambitions to open a new pub, envisaged an old tractor hanging from the ceiling as part of the refurbishment. He felt Richard, who had launched his own restoration business, was just the man for the task.

The former colleagues enjoyed their usual banter, with Richard ribbing Jeremy about the cost of his pub venture. He expressed his bemusement at the "weirdness" of the situation, noting how farming had become "Jeremy's world", while he himself was immersed in classic vehicle restoration.

Richard's restoration enterprise, The Smallest Cog, is situated on Rotherwas Industrial Estate in Herefordshire. He has produced numerous restoration videos from the shop for DriveTribe.

The Smallest Cog offers a range of services including paintwork restoration, bodywork restoration, and mechanical restoration for vintage vehicles.

The business came into being after Richard began following the work of father-son duo Neil and Anthony. Neil started restoring cars "before he was old enough to buy a pint" and eventually ran his own workshop, later joined by his son.

Impressed by the quality of Neil and Anthony's work on several of his own cars, Richard invited them to partner with him in his new venture.

Their website declares: "Whether it's a priceless time capsule, a unique insight into the social and aesthetic mores of its day or just the car that first took you to school, a classic is a classic in the eyes of its owner and we respect that."

The firm emphasises its versatility and client-focused approach, stating: "We are as at home at our local car show as we are on the hallowed concours lawns - although we do look daft in Panama hats - and understand that it's what your car means to you that matters."

Driving their philosophy home, they affirm: "And it's your hopes and dreams for it that drive and steer us."

Known affectionately as 'The Cog-Father' of the business, Richard shares a rich family history in the industry. He revealed how his grandfather, originally a cabinet maker in the 1900s, transitioned his craft to the automotive world as a coachbuilder.

Although Richard has inherited the same fervour for vehicles and engineering, he jestingly concedes he didn't inherit the hands-on skills. Reflecting on his genetic predisposition, he added: "But the motor trade was in my blood and that's what binds us to The Smallest Cog."

Richard officially began operations in August, 2021.

Clarkson's Farm airs on Prime Video