REVIEW: By a Thread ★★★★☆ | Edfringe 2026

Edinburgh Festival Fringe 2026 | Assembly Rooms

Seven acrobats.

Thirty metres of rope.

Two pulleys.

That's essentially all One Fell Swoop Circus need to create one of the most impressive physical performances at this year's Fringe.

By a Thread takes an incredibly simple setup and spends an hour finding increasingly ridiculous things to do with it.

The performers climb, swing, tumble and hang several metres above the stage, relying not on elaborate machinery but on the weight, strength and — most importantly — trust of the other performers below them.

There are moments where you genuinely find yourself holding your breath.

But what makes By a Thread more interesting than simply watching people perform impressive circus tricks is the relationship between the seven performers.

Every person in the air is relying on somebody else to keep them there.

That allows the rope to become a surprisingly effective metaphor for friendship, relationships and the people we depend upon — without the show ever needing to hammer the point home.

There are also lovely flashes of humour and playfulness amongst the more jaw-dropping moments, allowing the personalities of the performers to shine through.

Admittedly, an entire hour centred around one enormous piece of rope means there are occasional moments where things begin to feel slightly repetitive.

But then someone launches themselves several metres into the air and you quickly stop worrying about that.

Beautiful, occasionally terrifying and ridiculously impressive, By a Thread is a reminder that some of the most effective Fringe shows don't need enormous sets or flashy special effects.

Sometimes you just need seven extraordinarily talented people and a bloody big rope.

★★★★☆ – 4/5