Crossword puzzle clue "tie up a line perhaps"

Tie __ tie

Tie you don't have to tie

Tie, as a tie

Tie-in to another telephone customer, as well as a tie-in to this puzzle's theme

Tie-dyeing (tie-death?) container

Tie up a line, perhaps

Add vertical line 13 (word 3) and vertical line 3 (word 1) together and enter the answer to the resulting clue on this line

Add vertical line 9 (word 2) and vertical line 7 (word 2) and enter the answer to the resulting clue on this line