Heaslip urges Leinster to perform
The veteran remembers a time when the club struggled on the big occasion – they lost three of their first four finals when the format was first introduced in 2010.
And the No.8 is desperate to remind his side they must continue the hard work that saw them down Ulster in the semifinals if they are to have a chance in the Scottish capital against Connacht.
"Ospreys twice, Munster [defeated Leinster in their first three finals]," said Heaslip.
"I don't know if you guys have been into our gym but on the wall that we see every day, it covers all moments from Leinster.
"The Ospreys one always catches my eye.
"They came back and caught us in the second-half.
"So like anything, you take your learnings from games like that.
"We're fully aware that whoever we come up against next week, it's a neutral ground, it's going to be tough.
"A final, semifinal, it's knockout rugby – it's the team that makes the fewest mistakes on the day that generally wins."
Jonathan Sexton had some harsh words for the Leinster squad after they were beaten 30-6 by Ulster near the end of the regular season.
But they turned on the style at the RDS last weekend to gain revenge and Heaslip knows that there is more to come from his side if they are to claim silverware at the end of the season.
"Johnny is a very emotional man," he added.
"He wears his heart on his sleeve and he says what he feels.
"You shouldn't get carried away with the losses, or the wins.
"You need to waver somewhere in the middle and keep learning I suppose, keep evolving, that's what we're trying to do.
"Success just doesn't happen, you gotta work at it, day in, day out.
"It takes a lot of sacrifice and some lads just needed to see that."