1. New elements included fluorescent light tubes, scattered thumb tacks , flaming ropes and live piranhas. 2. Thumb tacks also pose a hazard of ingestion and choking, where they may do serious harm.3. These games are strictly for fans who enjoy running marathons with thumb tacks inside their shoes. 4. I tried using smooth steel thumb tacks in their place, but they made the door too tight. 5. The item had some thumb tack holes and tears which were fixed; they can be seen at the link. 6. The ring ropes were replaced with barbed wire and a bucket of thumb tacks was dumped on the ring floor. 7. A third of Sucrets customers re-use the tins for storing paper clips, thumb tacks , sewing supplies and the like, the company says. 8. A trucker hauling thumb tacks through the Grapevine en route to Victorville won't even get a 0.0 rating on his CB radio. 9. Various toys used included a glass picture frame, a drum, a boat oar with thumb tacks , hand held plastic guitar, and a knife. 10. A trucker hauling thumb tacks through the Grapevine en route to Victorville won't even get a 0 . 0 rating on his CB radio.