To vow to other than Allah is a act of shirk.
To seek refuge in other than Allah is a part of shirk

Slaughtering for other than Allah

Whoever seeks blessing through a Tree, a Stone, or the like

Ruqa (incantation), talismans and amulets

To wear a ring, twine or anything similar to them for prevention or lifting of harm or afflication, is an act of shirk

An explanation of tawheed and testimony: La ilaha Illa Allah

The call to testify that there is nothing deserving of Worship in truth except Allah

Fear of shirk

Who purifies tawheed {from shirk}

Salafi husband and wife studying kitab ul tawheed together