🎃 DO YOU DARE OPEN IT?

Preview text: Forget candy. We’ve got something sharper.

Wednesday, Oct 14, 2026 at 11:37 PM EasternKlaviyo

Mystery Knives Box🎃 DO YOU DARE OPEN IT?

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Using this email in an article? Credit: Mystery Knives Box email via They Sent It, with a link to this page. Full-size image

Subject: 🎃 DO YOU DARE OPEN IT?
Preview text: Forget candy. We’ve got something sharper.
From: hello@mysteryknivesbox.com
Brand: Mystery Knives Box
ESP: Klaviyo
Sent: Wed Oct 14, 2026, 11:37 PM ET
Sent to: knivesmysterybox.com, mysterykatana.com, mysterykatanas.com, mysteryknife.com, mysteryknives.com
Size: 49 KB
Images: 10
Links: 10, 1 of them buttons
Subject length: 23 characters

Against Mystery Knives Box's usual

Sent in the 11 PM hour, which holds 4% of its emails; 10% arrive in the 12 AM hour. The subject is 23 characters; its average is 22.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

Other sending headers (names only): X-SG-EID, X-SG-ID, X-Entity-ID

	Oct 15, 2026 1:37 PM	⚠️ A Formal Complaint Has Been Filed
	Oct 15, 2026 11:28 AM	We Probably Shouldn't Have Gone This Low...
	Oct 15, 2026 12:18 AM	UNLOCK YOUR MYSTERY DISCOUNT!
	Oct 14, 2026 11:37 PM	🎃 DO YOU DARE OPEN IT? (this email)
	Oct 14, 2026 3:07 PM	Welcome to Mystery Knives
	Oct 14, 2026 12:31 PM	We might’ve gotten a little carried away.
	Oct 13, 2026 1:38 PM	⚠️ A Formal Complaint Has Been Filed Against You