'I'm a Frayed Knot: Disjoint Set Sudoku Returns

Today's Puzzle:

A second puzzle of the disjoint set that has a beautiful break-in. Perhaps there is a more elegant solve after that compared to my clumsy one?

P.S. I don't know why I didn't mention the clearly intended pun in the title. 😂

Link to Play Along:

'I'm a Frayed Knot by Meggen033 http://tinyurl.com/SudokuSleuthFrayedKnot

Rules:

Normal Sudoku rules apply.

Disjoint Set: Digits must not repeat at corresponding box positions.

The digits in a cage must sum to the number printed in its corner. Digits may not repeat within a cage.