Making your senior debut can be a nerve-wracking experience.
So perhaps we can all go easy on young Armstrong Oko-Flex for turning to a rather unusual bench accessory.
The teenager was drafted in late for Celtic's squad to face Hibs after the club was rocked by a Covid crisis.
No fewer than 13 first team stars have been ordered to self-isolate following Christopher Jullien 's positive coronavirus test.
Manager Neil Lennon and assistant John Kennedy have also been placed into quarantine, leaving coach Gavin Strachan to take the team for a crucial Premiership encounter.
As Celtic pushed for an opener in the second period, the 18-year-old was called from the bench to replace fellow academy star Cameron Harper.
But as he received his final instructions, Sky Sports TV pictures showed he was still rocking his earphones just seconds before taking to the pitch.
Strachan later revealed it was a novel way for the youngster to chat with boss Lennon before being subbed on.
The unusual moment harked back to other, shall we say, off the wall Celtic bench moments.
This season, we had Mohamed Elyounoussi checking his phone after being subbed during a bruising 4-1 Europa League defeat to Sparta Prague.
And, a few years back, Leigh Griffiths was caught munching on a Tunnocks Tea Cake as he prepared to take the field.
The moment provided some light relief during what was an otherwise drab encounter between the two sides on Monday night.
