| LIGHTBULB | Item suggested visually by the black squares in this puzzle's grid |
| ELASTICBAND | Office item suggested visually by this puzzle |
| HIGHESTCARDWINS | Tiebreaker rule in poker, represented visually by the starred answers |
| WAITING | On hold ... or what the seven rows of black squares in this puzzle's grid spell in Morse code |
| EIFFELTOWER | Landmark inaugurated 3/31/1889 whose shape is suggested by nine squares in this puzzle's completed grid |
| RABBITSFOOT | Part of a furry critter, and an item suggested by the last words of 17-, 23- and 48-Across |
| CRUSHEDI | Drink cooler ... or a hint to six squares in this puzzle's answer |
| TEETOTAL | Abstain ... as suggested by the black squares in this puzzle |
| TOPS | With the giant letter formed by the black squares immediately above this answer, what the answers to the starred clues all literally have |
| BATSINTHEBELFRY | Mental eccentricity ... as suggested visually by some of this grid's black squares |
| SPREADONESWINGS | Become independent ... as suggested visually by some of this grid's black squares |
| BUTTERFLYEFFECT | Subject of this puzzle, as suggested visually by its central black squares |
| SLINGSHOT | What some of the black squares in the grid might represent |
| INVENTIONS | Legacy of 72-Down, seven of which appear among this puzzle's answers and one more suggested by the black squares in the middle of the grid |
| FIRECRACKER | Fourth of July noisemaker ... and the function of the black squares in lines 3, 6, and 10 |
| LBARS | Angle irons graphically represented by four sets of black squares in this grid, and by letter formations starting in the four longest answers |
| BRAKEJOBS | Garage offerings, and a phonetic hint to what the black squares in rows 3, 5, 11 and 13 do |
| BREAKRANKS | Deviate from one's group, and what the black squares in rows 3, 5, 8 and 11 do |
| INFANT | One delivered by the labor specialist spelled out in the circled letters that touch six dividing black squares in this puzzle |
| SPIN | Take a turn with the object illustrated by the central black squares in this puzzle (leading to one of the four circled results) |