Device to be inserted 3/4 inch into the nostril and slowly rotated, gently pressing against the inside of your nostril at least 4 times for a total of 15 seconds
10A
Crossword constructor, e.g.
14A
Singer whose "21" is the best-selling album of the 21st century
15A
Beyoncé song with the lyric "I got my angel now"
16A
Particle hypothesized by Democritus in the 5th century BC, though he didn't know about isotopes and valence shells and stuff
17A
He directed Amy and Jeremy in "Arrival"
18A
___ League
19A
Leading seller of anvils to coyotes
20A
*Observed from the sidelines
23A
Number of milliliters in a cubic centimeter
24A
["Is this thing on?"]
25A
Disconcerted
29A
Takes in or takes out
31A
"You ___ me at 'hello'": just one of surprisingly many quotable lines from "Jerry Maguire"
34A
"Everything must go" event
35A
*Enjoys some steak
38A
It means "hello" in southern France
40A
"Sometimes you feel like a ___, sometimes you don't": shared slogan of Mounds and Almond Joy candy bars
41A
Lawns
42A
*Staves off
45A
Bird that's ridden impulsively?
46A
Words from our sponsors
47A
Toddler's creation
48A
Makes one's stance known
50A
Pitch
51A
Org. for guys who get paid to walk around hitting little white balls with clubs
52A
Common choral configuration found in this puzzle's starred entries
61A
Paquin who won an Oscar at age 11
62A
Bugs, e.g.
63A
"Paddle Your Own ___": Nick Offerman book
64A
Electronic music format that stores notes and durations but not actual sounds
65A
Muppet host of "The Not-Too-Late Show"
66A
Former resident of the big house
67A
English school founded in 1440
68A
Appear
69A
Property claims
Down
1D
Tampon alternatives
2D
"What's the big ___?"
3D
Upstanding fellow
4D
Silver-tongued
5D
"No, the other person whose name I just said and who I'm pointing directly at /s"
6D
Androgynous hairdresser whom everyone is attracted to on "The L Word"
7D
Alderperson's domain
8D
"There oughta be ___!"
9D
Tapioca beverage invented in Taiwan in the 1980s
10D
Image Awards org.
11D
Make an impression
12D
All roads lead there, it's said
13D
Contacted privately, on Twitter
21D
Starting stake
22D
Delectable
25D
Naomi of tennis
26D
Distressed, sartorially
27D
Pilots
28D
Seasonal marshmallow candy
29D
Short Wikipedia articles
30D
It's in Spain?
31D
Singer Niall
32D
"Giant" wrestling pro
33D
In school they might just be little writing surfaces bolted to the arms of chairs, in which case good luck if you're left-handed
36D
Raisins : ___ :: celery stalk : log
37D
Island where the gamelan music is faster and louder than on Java
39D
Where you might read "OH HI AL"
43D
Pokes lots of tiny holes in, as a field
44D
"___ with Adriene": YouTube channel with "BALANCE", "FLOW" and "ENERGIZE" playlists