Although the 21-year-old has been reared as an orthodox centre-back, he scored 11 goals for Sheffield United in the two seasons that preceded his £2.5m to the KC Stadium last July.
"He scored a lot of goals last year. It's a big ask for him (to play up front) but it could happen.
"We've seen it before, we used to see it all the time in my day. I used to play there occasionally. I was hopeless, mind.
"Harry can play. He's done it before at a lower level but up here (points at head) it's unfair on the kid.
"It's hard enough playing in the Premier League without playing out of position."