your heels never fails vs your heels never fail

Some examples from the web:

• Never fails, my dear sir, it never fails.
• You never fail to surprise me, brother.
• One that never fails to extract a confession.
• You never fail to disappoint, Jock.
• Despite your efforts, the Black Order never fails.
• The Gospel of Luke never fails to enthral.
• With this machine, the splendor of world should never fail.
• You see, the truth never fails.
• Yes, assuring that she could never fail.
• A man like you would never fail to notice this blood.
• In my eyes, you can never fail.
• You never fail to my expectations.
• I Knew My Oldest Friend Would Never Fail Me.
• Ethan ward - never fails to surprise.
• You never fail to nauseate me, boy.
• It's the universe, which never fails.
• A trait people never fail to undervalue, I'm afraid.
• - An Eduard patent never fails.
• Decisiveness, moreover, that should never fail to a rider.
• This little space under the stairs never fails to draw Takahata.

Some examples from the web:

• Never fails, my dear sir, it never fails.
• You never fail to surprise me, brother.
• One that never fails to extract a confession.
• You never fail to disappoint, Jock.
• Despite your efforts, the Black Order never fails.
• The Gospel of Luke never fails to enthral.
• With this machine, the splendor of world should never fail.
• You see, the truth never fails.
• Yes, assuring that she could never fail.
• A man like you would never fail to notice this blood.
• In my eyes, you can never fail.
• You never fail to my expectations.
• I Knew My Oldest Friend Would Never Fail Me.
• Ethan ward - never fails to surprise.
• You never fail to nauseate me, boy.
• It's the universe, which never fails.
• A trait people never fail to undervalue, I'm afraid.
• - An Eduard patent never fails.
• Decisiveness, moreover, that should never fail to a rider.
• This little space under the stairs never fails to draw Takahata.