This has been used by charities that give small gifts to potential donors hoping to induce reciprocity.
ðɪs hˈæzbiːn jˈuːzd baɪ tʃˈæɹᵻɾiz ðæt ɡˈɪv smˈɔːl ɡˈɪfts tə pətˈɛnʃəl dˈoʊnɚz hˈoʊpɪŋ tʊ ɪndˈuːs ɹᵻsɪpɹˈɑːsᵻɾi.