The 20-year-old full-back has impressed since his January loan move to Meadow Lane, putting in a good performance in Saturday's goalless draw with Yeovil Town.
"They [Hull] wanted me to get games in the league and get used to first team football because I wasn't getting that back at Hull," Clackstone told the Nottingham Post.
"You want to play regardless of where it is and the fact that it's at a club like Notts County makes it even better. I think there is a massive difference from playing in academy teams and first teams.
"It means something. You are playing against more experienced players so you learn a lot more. There's a lot of experienced players here too and they are helping the young lads develop.
"This can only help me when I go back to Hull. They can see I've played in the league and hopefully I will get a shot there.
"I have got used to the way (Notts) play and the game plan, Saturday was my best game so far.
"It's really good, we have a great bunch of lads and we know what we need to do. We want to stay up and all the lads are heading in the right direction if we keep clean sheets and put points on the board.
"We are getting more consistent in how we play. We just need to keep going, keep getting more points and get to safety sooner rather than later."
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