safety chain

12 LETTERS · STARTS WITH S

safety chain is a valid 12-letter word worth 22 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1A1F4E1T1Y4C3H4A1I1N1
1 + 1 + 4 + 1 + 1 + 4 + 0 + 3 + 4 + 1 + 1 + 1 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does safety chain mean?

1