tack putty alternative

So I've seen quite a few instances where pipers are recommending the use of products like Elmer's Poster Tack, or other brands like Blue-tak, to deal with air leaks.

Well, I didn't have any on hand, so I found a perfectly lovely alternative. I've been using vacuum bag seal tape. Specifically, "AT-199 Sealant Tape", Which I had purchased here:
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Any makers who vacuum laminate their veneers may already have the stuff on hand.

It's flexible, removable, inexpensive, wonderfully airtight, and the black color is less distracting when used where it might be visible.