The nature of David Roberts' job means every time there's a divot made for a goal-kick or knee slide at Anfield it brings about a sharp wince.
How best to sum up Roberts' role as grounds manager at Liverpool Football Club?
"If it grows and the club owns it, it's my responsibility," he smiles.
Roberts and his dedicated team oversee the production and maintenance of all playing surfaces at Anfield, Melwood and the Kirkby Academy, along with any landscaping surrounding them.
It involves early starts, late-night finishes and state-of-the-art technology to deliver the pristine finished product seen on matchdays.