tack

A tough test for even the strongest climber, it was new to the Tour de France this year, but its debut will be remembered for the wrong reasons after one of those spectators scattered carpet tacks on the road and induced around 30 punctures among the group of riders including Bradley Wiggins, the Tour's overall leader, and his chief rivals.

So stoutly held to tack by those near North-wales men;

The laminate adhesive has very aggressive tack and is hard to move once in place.

hardtack

Some tacks had been made to money bills in King Charles's time.

He should find[…]that there was tack in it, that it was solid silver, or silver that had strength in it.